Open Tumblr and log in to your dashboard. Click the arrow next to the name of your primary blog to show a list of all of your blogs. Click the name of the blog to edit from the list. The dashboard refreshes to display the content for the selected blog. Click the gear icon in the top navigation menu to open the Preferences page. Click the “Dashboard” tab in the right sidebar to open the blog’s Dashboard Preferences page. Slide the “Enable Endless Scrolling” toggle to the “On" position to enable the feature. The “Saved” button briefly appears, indicating the setting has been saved. Writer Bio